[299] | 1 | // ----------------------------------------------------------------------- |
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| 2 | // saveImage.cc: Write a wavelet-reconstructed or smoothed array to a |
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| 3 | // FITS file. |
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| 4 | // ----------------------------------------------------------------------- |
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| 5 | // Copyright (C) 2006, Matthew Whiting, ATNF |
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| 6 | // |
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| 7 | // This program is free software; you can redistribute it and/or modify it |
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| 8 | // under the terms of the GNU General Public License as published by the |
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| 9 | // Free Software Foundation; either version 2 of the License, or (at your |
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| 10 | // option) any later version. |
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| 11 | // |
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| 12 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
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| 13 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 15 | // for more details. |
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| 16 | // |
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| 17 | // You should have received a copy of the GNU General Public License |
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| 18 | // along with Duchamp; if not, write to the Free Software Foundation, |
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| 19 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
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| 20 | // |
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| 21 | // Correspondence concerning Duchamp may be directed to: |
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| 22 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
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| 23 | // Postal address: Dr. Matthew Whiting |
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| 24 | // Australia Telescope National Facility, CSIRO |
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| 25 | // PO Box 76 |
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| 26 | // Epping NSW 1710 |
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| 27 | // AUSTRALIA |
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| 28 | // ----------------------------------------------------------------------- |
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[3] | 29 | #include <iostream> |
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| 30 | #include <sstream> |
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| 31 | #include <string> |
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[394] | 32 | #include <wcslib/wcs.h> |
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| 33 | #include <wcslib/wcshdr.h> |
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[146] | 34 | #define WCSLIB_GETWCSTAB |
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| 35 | // define this so that we don't try and redefine wtbarr |
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| 36 | // (this is a problem when using cfitsio v.3 and g++ v.4) |
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| 37 | |
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[66] | 38 | #include <fitsio.h> |
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[393] | 39 | #include <duchamp/duchamp.hh> |
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| 40 | #include <duchamp/Cubes/cubes.hh> |
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| 41 | #include <duchamp/PixelMap/Voxel.hh> |
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| 42 | #include <duchamp/PixelMap/Object3D.hh> |
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[3] | 43 | |
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[378] | 44 | namespace duchamp |
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[208] | 45 | { |
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| 46 | |
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[528] | 47 | /// @brief Write FITS headers in correct format for reconstructed array output |
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[378] | 48 | void writeReconHeaderInfo(fitsfile *fptr, Param &par, std::string nature); |
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[208] | 49 | |
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[528] | 50 | /// @brief Write FITS headers in correct format for smoothed array output |
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[378] | 51 | void writeSmoothHeaderInfo(fitsfile *fptr, Param &par); |
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[208] | 52 | |
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[528] | 53 | /// @brief Write FITS headers in correct format for mask array output |
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[379] | 54 | void writeMaskHeaderInfo(fitsfile *fptr, Param &par); |
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| 55 | //--------------------------------------------------------------------------- |
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| 56 | |
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| 57 | void Cube::saveMaskCube() |
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| 58 | { |
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[528] | 59 | /// @details |
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| 60 | /// A function to save a mask to a FITS file, indicating where the |
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| 61 | /// detections where made. The value of the detected pixels is |
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| 62 | /// determined by the flagMaskWithObjectNum parameter: if true, |
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| 63 | /// the value of the pixels is given by the corresponding object |
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| 64 | /// ID number; if false, they take the value 1 for all |
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| 65 | /// objects. Pixels not in a detected object have the value 0. |
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[379] | 66 | |
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| 67 | int newbitpix = SHORT_IMG; |
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| 68 | long *fpixel = new long[this->numDim]; |
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[385] | 69 | for(int i=0;i<this->header().WCS().naxis;i++) fpixel[i]=1; |
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[379] | 70 | int status = 0; /* MUST initialize status */ |
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| 71 | fitsfile *fptrOld, *fptrNew; |
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| 72 | fits_open_file(&fptrOld,this->par.getImageFile().c_str(),READONLY,&status); |
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| 73 | if (status){ |
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| 74 | duchampError("saveMask","Fits Error 1:"); |
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| 75 | fits_report_error(stderr, status); |
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| 76 | } |
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| 77 | |
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| 78 | std::string fileout = "!" + this->par.outputMaskFile(); |
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| 79 | // the ! is there so that it writes over an existing file. |
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| 80 | |
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| 81 | status = 0; |
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| 82 | fits_create_file(&fptrNew,fileout.c_str(),&status); |
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| 83 | if (status){ |
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| 84 | duchampError("saveMask","Fits Error 2:"); |
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| 85 | fits_report_error(stderr, status); |
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| 86 | } |
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| 87 | else { |
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| 88 | status = 0; |
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| 89 | fits_movabs_hdu(fptrOld, 1, NULL, &status); |
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| 90 | if (status){ |
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| 91 | duchampError("saveMask","Fits Error 3:"); |
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| 92 | fits_report_error(stderr, status); |
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| 93 | } |
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| 94 | status = 0; |
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| 95 | fits_copy_header(fptrOld, fptrNew, &status); |
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| 96 | if (status){ |
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| 97 | duchampError("saveMask","Fits Error 4:"); |
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| 98 | fits_report_error(stderr, status); |
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| 99 | } |
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| 100 | status = 0; |
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| 101 | fits_update_key(fptrNew, TINT, "BITPIX", &newbitpix, |
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| 102 | "number of bits per data pixel", &status); |
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| 103 | if (status){ |
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| 104 | duchampError("saveMask","Fits Error 5:"); |
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| 105 | fits_report_error(stderr, status); |
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| 106 | } |
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| 107 | float bscale=1., bzero=0.; |
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| 108 | fits_update_key(fptrNew, TFLOAT, "BSCALE", &bscale, "", &status); |
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| 109 | fits_update_key(fptrNew, TFLOAT, "BZERO", &bzero, "", &status); |
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| 110 | fits_set_bscale(fptrNew, 1, 0, &status); |
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| 111 | if (status){ |
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| 112 | duchampError("saveMask","Fits Error 6:"); |
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| 113 | fits_report_error(stderr, status); |
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| 114 | } |
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[521] | 115 | std::string newunits; |
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| 116 | if(this->par.getFlagMaskWithObjectNum()) |
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| 117 | newunits = "Object ID"; |
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| 118 | else |
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| 119 | newunits = "Detection flag"; |
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| 120 | fits_update_key(fptrNew, TSTRING, "BUNIT", (char *)newunits.c_str(), "", &status); |
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| 121 | if (status){ |
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| 122 | duchampError("saveMask","Fits Error 7:"); |
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| 123 | fits_report_error(stderr, status); |
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| 124 | } |
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[379] | 125 | char *comment = new char[80]; |
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| 126 | long dud; |
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| 127 | // Need to correct the dimensions, if we have subsectioned the image |
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| 128 | if(this->par.getFlagSubsection()){ |
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[385] | 129 | std::stringstream naxis; |
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| 130 | fits_read_key(fptrOld, TLONG, (char *)naxis.str().c_str(), &dud, comment, &status); |
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| 131 | fits_update_key(fptrNew, TLONG, (char *)naxis.str().c_str(), |
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[379] | 132 | &(this->axisDim[0]), comment, &status); |
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[385] | 133 | naxis.str(""); |
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| 134 | naxis << "NAXIS" << this->head.WCS().lat; |
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| 135 | fits_read_key(fptrOld, TLONG, (char *)naxis.str().c_str(), &dud, comment, &status); |
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| 136 | fits_update_key(fptrNew, TLONG, (char *)naxis.str().c_str(), |
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[379] | 137 | &(this->axisDim[1]), comment, &status); |
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[385] | 138 | naxis.str(""); |
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| 139 | naxis << "NAXIS" << this->head.WCS().spec; |
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| 140 | fits_read_key(fptrOld, TLONG, (char *)naxis.str().c_str(), &dud, comment, &status); |
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| 141 | fits_update_key(fptrNew, TLONG, (char *)naxis.str().c_str(), |
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[379] | 142 | &(this->axisDim[2]), comment, &status); |
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| 143 | } |
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| 144 | |
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| 145 | delete [] comment; |
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| 146 | |
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| 147 | writeMaskHeaderInfo(fptrNew, this->par); |
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| 148 | |
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| 149 | short *mask = new short[this->numPixels]; |
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| 150 | for(int i=0;i<this->numPixels;i++) mask[i]=0; |
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[591] | 151 | for(unsigned int o=0;o<this->objectList->size();o++){ |
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[379] | 152 | std::vector<PixelInfo::Voxel> voxlist = |
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| 153 | this->objectList->at(o).pixels().getPixelSet(); |
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[591] | 154 | for(unsigned int p=0;p<voxlist.size();p++){ |
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[379] | 155 | int pixelpos = voxlist[p].getX() + this->axisDim[0]*voxlist[p].getY() + |
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| 156 | this->axisDim[0]*this->axisDim[1]*voxlist[p].getZ(); |
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[521] | 157 | if(this->par.getFlagMaskWithObjectNum()) mask[pixelpos] = this->objectList->at(o).getID(); |
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| 158 | else mask[pixelpos] = 1; |
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[379] | 159 | } |
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| 160 | } |
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| 161 | status=0; |
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| 162 | fits_write_pix(fptrNew, TSHORT, fpixel, this->numPixels, mask, &status); |
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| 163 | if(status){ |
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[521] | 164 | duchampError("saveMask","Fits Error 8:"); |
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[379] | 165 | fits_report_error(stderr,status); |
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| 166 | } |
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| 167 | status = 0; |
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| 168 | fits_close_file(fptrNew, &status); |
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| 169 | if (status){ |
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[521] | 170 | duchampError("saveMask","Fits Error 9:"); |
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[379] | 171 | fits_report_error(stderr, status); |
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| 172 | } |
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| 173 | |
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| 174 | delete [] mask; |
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| 175 | |
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| 176 | } |
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| 177 | |
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| 178 | delete [] fpixel; |
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| 179 | |
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| 180 | } |
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| 181 | |
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| 182 | //--------------------------------------------------------------------------- |
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| 183 | |
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[378] | 184 | void Cube::saveSmoothedCube() |
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| 185 | { |
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[528] | 186 | /// @brief |
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| 187 | /// A function to save the smoothed arrays to a FITS file. |
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| 188 | /// Additional header keywords are written as well, indicating the |
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| 189 | /// width of the Hanning filter or the dimensions of the Gaussian |
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| 190 | /// kernel. |
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| 191 | /// The file is always written -- if the filename (as calculated |
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| 192 | /// based on the parameters) exists, then it is overwritten. |
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[3] | 193 | |
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[378] | 194 | float blankval = this->par.getBlankPixVal(); |
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[3] | 195 | |
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[378] | 196 | int status = 0; /* MUST initialize status */ |
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| 197 | fitsfile *fptrOld, *fptrNew; |
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[594] | 198 | fits_open_file(&fptrOld,this->par.getFullImageFile().c_str(),READONLY,&status); |
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[378] | 199 | if (status) fits_report_error(stderr, status); |
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[3] | 200 | |
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[378] | 201 | if(this->par.getFlagOutputSmooth()){ |
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| 202 | std::string fileout = "!" + this->par.outputSmoothFile(); |
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| 203 | // the ! is there so that it writes over an existing file. |
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[3] | 204 | |
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[378] | 205 | status = 0; |
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| 206 | fits_create_file(&fptrNew,fileout.c_str(),&status); |
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| 207 | if (status) |
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| 208 | fits_report_error(stderr, status); |
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| 209 | else { |
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[103] | 210 | status = 0; |
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| 211 | fits_movabs_hdu(fptrOld, 1, NULL, &status); |
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| 212 | if (status) fits_report_error(stderr, status); |
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| 213 | status = 0; |
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| 214 | fits_copy_header(fptrOld, fptrNew, &status); |
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| 215 | if (status) fits_report_error(stderr, status); |
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[46] | 216 | |
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[378] | 217 | writeSmoothHeaderInfo(fptrNew, this->par); |
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[3] | 218 | |
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[103] | 219 | if(this->par.getFlagBlankPix()) |
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[594] | 220 | fits_write_imgnull(fptrNew, TFLOAT, 1, this->numPixels, this->recon, &blankval, &status); |
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| 221 | else |
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| 222 | fits_write_img(fptrNew, TFLOAT, 1, this->numPixels, this->recon, &status); |
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[3] | 223 | |
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[103] | 224 | status = 0; |
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| 225 | fits_close_file(fptrNew, &status); |
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| 226 | if (status) fits_report_error(stderr, status); |
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[379] | 227 | |
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[103] | 228 | } |
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[378] | 229 | } |
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| 230 | |
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[3] | 231 | } |
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| 232 | |
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[379] | 233 | //--------------------------------------------------------------------------- |
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[103] | 234 | |
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[378] | 235 | void Cube::saveReconstructedCube() |
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| 236 | { |
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[528] | 237 | /// @details |
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| 238 | /// A function to save the reconstructed and/or residual arrays. |
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| 239 | /// A number of header keywords are written as well, indicating the |
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| 240 | /// nature of the reconstruction that has been done. |
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| 241 | /// The file is always written -- if the filename (as calculated |
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| 242 | /// based on the recon parameters) exists, then it is overwritten. |
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[378] | 243 | |
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| 244 | float blankval = this->par.getBlankPixVal(); |
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[71] | 245 | |
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[378] | 246 | int status = 0; /* MUST initialize status */ |
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| 247 | fitsfile *fptrOld, *fptrNew; |
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[594] | 248 | fits_open_file(&fptrOld,this->par.getFullImageFile().c_str(),READONLY,&status); |
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[378] | 249 | if (status) fits_report_error(stderr, status); |
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| 250 | |
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| 251 | if(this->par.getFlagOutputRecon()){ |
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| 252 | std::string fileout = "!" + this->par.outputReconFile(); |
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| 253 | // the ! is there so that it writes over an existing file. |
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| 254 | |
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| 255 | status = 0; |
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| 256 | fits_create_file(&fptrNew,fileout.c_str(),&status); |
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| 257 | if (status) |
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| 258 | fits_report_error(stderr, status); |
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| 259 | else |
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| 260 | { |
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| 261 | status = 0; |
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| 262 | fits_movabs_hdu(fptrOld, 1, NULL, &status); |
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| 263 | if (status) fits_report_error(stderr, status); |
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| 264 | status = 0; |
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| 265 | fits_copy_header(fptrOld, fptrNew, &status); |
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| 266 | if (status) fits_report_error(stderr, status); |
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| 267 | |
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| 268 | writeReconHeaderInfo(fptrNew, this->par, "recon"); |
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| 269 | |
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| 270 | if(this->par.getFlagBlankPix()) |
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[594] | 271 | fits_write_imgnull(fptrNew, TFLOAT, 1, this->numPixels, this->recon, &blankval, &status); |
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| 272 | else |
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| 273 | fits_write_img(fptrNew, TFLOAT, 1, this->numPixels, this->recon, &status); |
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[378] | 274 | |
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| 275 | status = 0; |
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| 276 | fits_close_file(fptrNew, &status); |
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| 277 | if (status) fits_report_error(stderr, status); |
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[103] | 278 | } |
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[378] | 279 | } |
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[3] | 280 | |
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[71] | 281 | |
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[378] | 282 | if(this->par.getFlagOutputResid()){ |
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[594] | 283 | float *resid = new float[this->numPixels]; |
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| 284 | for(int i=0;i<this->numPixels;i++) |
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| 285 | resid[i] = this->array[i] - this->recon[i]; |
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| 286 | |
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[378] | 287 | std::string fileout = "!" + this->par.outputResidFile(); |
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| 288 | // the ! is there so that it writes over an existing file. |
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| 289 | status = 0; |
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| 290 | fits_create_file(&fptrNew,fileout.c_str(),&status); |
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| 291 | if (status) |
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| 292 | fits_report_error(stderr, status); |
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| 293 | else |
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| 294 | { |
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| 295 | status = 0; |
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| 296 | fits_movabs_hdu(fptrOld, 1, NULL, &status); |
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| 297 | if (status) fits_report_error(stderr, status); |
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| 298 | status = 0; |
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| 299 | fits_copy_header(fptrOld, fptrNew, &status); |
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| 300 | if (status) fits_report_error(stderr, status); |
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[3] | 301 | |
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[378] | 302 | writeReconHeaderInfo(fptrNew, this->par, "resid"); |
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[71] | 303 | |
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[378] | 304 | if(this->par.getFlagBlankPix()) |
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[594] | 305 | fits_write_imgnull(fptrNew, TFLOAT, 1, this->numPixels, resid, &blankval, &status); |
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| 306 | else |
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| 307 | fits_write_img(fptrNew, TFLOAT, 1, this->numPixels, resid, &status); |
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[71] | 308 | |
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[378] | 309 | fits_close_file(fptrNew, &status); |
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| 310 | } |
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[594] | 311 | delete [] resid; |
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[378] | 312 | } |
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[86] | 313 | |
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| 314 | |
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[378] | 315 | } |
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[71] | 316 | |
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[379] | 317 | //--------------------------------------------------------------------------- |
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[378] | 318 | |
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| 319 | void writeReconHeaderInfo(fitsfile *fptr, Param &par, std::string nature) |
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| 320 | { |
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[528] | 321 | /// @details |
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| 322 | /// A simple function that writes all the necessary keywords and comments |
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| 323 | /// to the FITS header pointed to by fptr. |
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| 324 | /// The keyword names and comments are taken from duchamp.hh |
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| 325 | /// The parameter "nature" indicates what type of file is being written: |
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| 326 | /// should be either "recon" or "resid". |
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[378] | 327 | |
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| 328 | int status = 0; |
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| 329 | std::string explanation = "",ReconResid=""; |
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| 330 | |
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| 331 | fits_write_history(fptr, (char *)header_reconHistory1.c_str(), &status); |
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[71] | 332 | |
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[378] | 333 | fits_write_history(fptr, (char *)header_reconHistory2.c_str(), &status); |
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[71] | 334 | |
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[378] | 335 | fits_write_history(fptr, (char *)header_reconHistory_input.c_str(), &status); |
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[71] | 336 | |
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[378] | 337 | fits_write_history(fptr, (char *)par.getImageFile().c_str(), &status); |
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[105] | 338 | |
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[378] | 339 | if(par.getFlagSubsection()){ |
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| 340 | fits_write_comment(fptr,(char *)header_reconSubsection_comment.c_str(), |
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| 341 | &status); |
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| 342 | fits_write_key(fptr, TSTRING, (char *)keyword_subsection.c_str(), |
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| 343 | (char *)par.getSubsection().c_str(), |
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| 344 | (char *)comment_subsection.c_str(), &status); |
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| 345 | } |
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[105] | 346 | |
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[378] | 347 | fits_write_comment(fptr, (char *)header_atrous_comment.c_str(), &status); |
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[105] | 348 | |
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[378] | 349 | float valf = par.getAtrousCut(); |
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| 350 | fits_write_key(fptr, TFLOAT, (char *)keyword_snrRecon.c_str(), &valf, |
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| 351 | (char *)comment_snrRecon.c_str(), &status); |
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[71] | 352 | |
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[378] | 353 | int vali = par.getReconDim(); |
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| 354 | fits_write_key(fptr, TINT, (char *)keyword_reconDim.c_str(), &vali, |
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| 355 | (char *)comment_reconDim.c_str(), &status); |
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[103] | 356 | |
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[378] | 357 | vali = par.getMinScale(); |
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| 358 | fits_write_key(fptr, TINT, (char *)keyword_scaleMin.c_str(), &vali, |
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| 359 | (char *)comment_scaleMin.c_str(), &status); |
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[71] | 360 | |
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[378] | 361 | vali = par.getFilterCode(); |
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| 362 | fits_write_key(fptr, TINT, (char *)keyword_filterCode.c_str(), &vali, |
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| 363 | (char *)comment_filterCode.c_str(), &status); |
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[71] | 364 | |
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[378] | 365 | if(nature == "recon"){ |
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| 366 | explanation = "Duchamp: This is the RECONSTRUCTED cube"; |
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| 367 | ReconResid = "RECON"; |
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| 368 | } |
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| 369 | else if(nature == "resid"){ |
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| 370 | explanation = "Duchamp: This is the RESIDUAL cube"; |
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| 371 | ReconResid = "RESID"; |
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| 372 | } |
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| 373 | else duchampWarning("write_header_info","explanation not present!\n"); |
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| 374 | fits_write_comment(fptr, (char *)explanation.c_str(), &status); |
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| 375 | fits_write_key(fptr, TSTRING, (char *)keyword_ReconResid.c_str(), |
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| 376 | (char *)ReconResid.c_str(), |
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| 377 | (char *)comment_ReconResid.c_str(), &status); |
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| 378 | |
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[71] | 379 | } |
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| 380 | |
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[379] | 381 | //--------------------------------------------------------------------------- |
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| 382 | |
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[378] | 383 | void writeSmoothHeaderInfo(fitsfile *fptr, Param &par) |
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| 384 | { |
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[528] | 385 | /// @details |
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| 386 | /// A simple function that writes all the necessary keywords and comments |
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| 387 | /// to the FITS header pointed to by fptr. |
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| 388 | /// The keyword names and comments are taken from duchamp.hh |
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[208] | 389 | |
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[378] | 390 | int status = 0; |
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[208] | 391 | |
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[378] | 392 | fits_write_history(fptr, (char *)header_smoothHistory.c_str(), &status); |
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[208] | 393 | status = 0; |
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[378] | 394 | fits_write_history(fptr, (char *)header_smoothHistory_input.c_str(),&status); |
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[208] | 395 | status = 0; |
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[378] | 396 | fits_write_history(fptr, (char *)par.getImageFile().c_str(), &status); |
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| 397 | |
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| 398 | if(par.getFlagSubsection()){ |
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| 399 | status = 0; |
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| 400 | fits_write_comment(fptr,(char *)header_smoothSubsection_comment.c_str(), |
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| 401 | &status); |
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| 402 | status = 0; |
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| 403 | fits_write_key(fptr, TSTRING, (char *)keyword_subsection.c_str(), |
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| 404 | (char *)par.getSubsection().c_str(), |
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| 405 | (char *)comment_subsection.c_str(), &status); |
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| 406 | } |
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[208] | 407 | |
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[378] | 408 | if(par.getSmoothType()=="spatial"){ |
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| 409 | // if kernMin is negative (not defined), make it equal to kernMaj |
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| 410 | if(par.getKernMin() < 0) par.setKernMin(par.getKernMaj()); |
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[285] | 411 | |
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[378] | 412 | fits_write_key(fptr, TSTRING, (char *)keyword_smoothtype.c_str(), |
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| 413 | (char *)header_smoothSpatial.c_str(), |
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| 414 | (char *)comment_smoothtype.c_str(), &status); |
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| 415 | float valf = par.getKernMaj(); |
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| 416 | fits_write_key(fptr, TFLOAT, (char *)keyword_kernmaj.c_str(), &valf, |
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| 417 | (char *)comment_kernmaj.c_str(), &status); |
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| 418 | valf = par.getKernMin(); |
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| 419 | fits_write_key(fptr, TFLOAT, (char *)keyword_kernmin.c_str(), &valf, |
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| 420 | (char *)comment_kernmin.c_str(), &status); |
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| 421 | valf = par.getKernPA(); |
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| 422 | fits_write_key(fptr, TFLOAT, (char *)keyword_kernpa.c_str(), &valf, |
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| 423 | (char *)comment_kernpa.c_str(), &status); |
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| 424 | } |
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| 425 | else if(par.getSmoothType()=="spectral"){ |
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| 426 | fits_write_key(fptr, TSTRING, (char *)keyword_smoothtype.c_str(), |
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| 427 | (char *)header_smoothSpectral.c_str(), |
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| 428 | (char *)comment_smoothtype.c_str(), &status); |
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| 429 | int vali = par.getHanningWidth(); |
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| 430 | fits_write_key(fptr, TINT, (char *)keyword_hanningwidth.c_str(), &vali, |
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| 431 | (char *)comment_hanningwidth.c_str(), &status); |
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| 432 | } |
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[277] | 433 | } |
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[378] | 434 | |
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[379] | 435 | //--------------------------------------------------------------------------- |
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| 436 | |
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| 437 | void writeMaskHeaderInfo(fitsfile *fptr, Param &par) |
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| 438 | { |
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[528] | 439 | /// @details |
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| 440 | /// A simple function that writes all the necessary keywords and comments |
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| 441 | /// to the FITS header pointed to by fptr. |
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| 442 | /// The keyword names and comments are taken from duchamp.hh |
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[379] | 443 | |
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| 444 | int status = 0; |
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| 445 | |
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| 446 | fits_write_history(fptr, (char *)header_maskHistory.c_str(), &status); |
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| 447 | status = 0; |
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| 448 | fits_write_history(fptr, (char *)header_maskHistory_input.c_str(),&status); |
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| 449 | status = 0; |
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| 450 | fits_write_history(fptr, (char *)par.getImageFile().c_str(), &status); |
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| 451 | |
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| 452 | if(par.getFlagSubsection()){ |
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| 453 | status = 0; |
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| 454 | fits_write_comment(fptr,(char *)header_maskSubsection_comment.c_str(), |
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| 455 | &status); |
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| 456 | status = 0; |
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| 457 | fits_write_key(fptr, TSTRING, (char *)keyword_subsection.c_str(), |
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| 458 | (char *)par.getSubsection().c_str(), |
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| 459 | (char *)comment_subsection.c_str(), &status); |
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| 460 | } |
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| 461 | } |
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| 462 | |
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[208] | 463 | } |
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